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/* This is simple demonstration of how to use expat. This program | |
reads an XML document from standard input and writes a line with | |
the name of each element to standard output indenting child | |
elements by one tab stop more than their parent element. | |
It must be used with Expat compiled for UTF-8 output. | |
__ __ _ | |
___\ \/ /_ __ __ _| |_ | |
/ _ \\ /| '_ \ / _` | __| | |
| __// \| |_) | (_| | |_ | |
\___/_/\_\ .__/ \__,_|\__| | |
|_| XML parser | |
Copyright (c) 1997-2000 Thai Open Source Software Center Ltd | |
Copyright (c) 2000-2017 Expat development team | |
Licensed under the MIT license: | |
Permission is hereby granted, free of charge, to any person obtaining | |
a copy of this software and associated documentation files (the | |
"Software"), to deal in the Software without restriction, including | |
without limitation the rights to use, copy, modify, merge, publish, | |
distribute, sublicense, and/or sell copies of the Software, and to permit | |
persons to whom the Software is furnished to do so, subject to the | |
following conditions: | |
The above copyright notice and this permission notice shall be included | |
in all copies or substantial portions of the Software. | |
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN | |
NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, | |
DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR | |
OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE | |
USE OR OTHER DEALINGS IN THE SOFTWARE. | |
*/ | |
#include <stdio.h> | |
#include <expat.h> | |
#ifdef XML_LARGE_SIZE | |
# define XML_FMT_INT_MOD "ll" | |
#else | |
# define XML_FMT_INT_MOD "l" | |
#endif | |
#ifdef XML_UNICODE_WCHAR_T | |
# include <wchar.h> | |
# define XML_FMT_STR "ls" | |
#else | |
# define XML_FMT_STR "s" | |
#endif | |
static void XMLCALL | |
startElement(void *userData, const XML_Char *name, const XML_Char **atts) { | |
int i; | |
int *depthPtr = (int *)userData; | |
(void)atts; | |
for (i = 0; i < *depthPtr; i++) | |
putchar('\t'); | |
printf("%" XML_FMT_STR "\n", name); | |
*depthPtr += 1; | |
} | |
static void XMLCALL | |
endElement(void *userData, const XML_Char *name) { | |
int *depthPtr = (int *)userData; | |
(void)name; | |
*depthPtr -= 1; | |
} | |
int | |
main(int argc, char *argv[]) { | |
char buf[BUFSIZ]; | |
XML_Parser parser = XML_ParserCreate(NULL); | |
int done; | |
int depth = 0; | |
(void)argc; | |
(void)argv; | |
XML_SetUserData(parser, &depth); | |
XML_SetElementHandler(parser, startElement, endElement); | |
do { | |
size_t len = fread(buf, 1, sizeof(buf), stdin); | |
done = len < sizeof(buf); | |
if (XML_Parse(parser, buf, (int)len, done) == XML_STATUS_ERROR) { | |
fprintf(stderr, "%" XML_FMT_STR " at line %" XML_FMT_INT_MOD "u\n", | |
XML_ErrorString(XML_GetErrorCode(parser)), | |
XML_GetCurrentLineNumber(parser)); | |
XML_ParserFree(parser); | |
return 1; | |
} | |
} while (! done); | |
XML_ParserFree(parser); | |
return 0; | |
} |